کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11028267 | 1662997 | 2018 | 36 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Morphology-dependent electrochemical properties of sol-gel synthesized LiCoPO4 for aqueous hybrid capacitors
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Morphology-dependent electrochemical properties of sol-gel synthesized LiCoPO4 for aqueous hybrid capacitors Morphology-dependent electrochemical properties of sol-gel synthesized LiCoPO4 for aqueous hybrid capacitors](/preview/png/11028267.png)
چکیده انگلیسی
Featured with superior structural stability and highest redox potential, the olivine LiCoPO4 parades itself as a conceit battery-type material. To deploy its foot in the field of hybrid supercapacitors a series of LiCoPO4 with three contrasting morphologies were achieved. The evolution of morphology from clustered microspheres to elongated rods and multifaceted submicronic particles has an appreciative effect on the particle size and electrochemical properties. Endowed with distinct qualities such as high crystallinity, and multifaceted morphology, LiCoPO4 prepared at alkaline pH provides a superior specific capacity of 381 C gâ1 (1060â¯Fâ¯gâ1) at 1â¯mVâ¯sâ1 and a maximum discharge specific capacity of 253â¯Câ¯gâ1 (631â¯Fâ¯gâ1) at 0.6â¯mAâ¯cmâ2. The fabricated hybrid supercapacitor using prepared LiCoPO4 at the pH-12 condition as a battery type positive electrode and Fe2O3 as the negative electrode provides a grander energy density of 18â¯Wh kgâ1â¯at an enhanced power density of 443â¯Wâ¯kgâ1 with a sustained cyclic performance for about 5000 cycles.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 289, 1 November 2018, Pages 516-526
Journal: Electrochimica Acta - Volume 289, 1 November 2018, Pages 516-526
نویسندگان
Natarajan Priyadharsini, Sathyanarayanan Shanmugapriya, Palanisamy Rupa Kasturi, Subramani Surendran, Ramakrishnan Kalai Selvan,